Roger Ng, a former Goldman Sachs bank executive who is currently in jail in Malaysia, has agreed to voluntarily return to the United States to face abetment charges in a scheme to loot state investment firm 1MDB.

Trade tensions between the U.S. and China are ratcheting up. Now analysts are worrying about Australia, which sits uncomfortably in the middle, trading the most with China but receiving its largest investment inflow from the U.S.

In November, President Trump claimed a win when he returned from his Asia tour touting $250 billion in deals with China. Those agreements, which span sectors like energy, aviation and tech, could be ammunition for Beijing as it spars with Washington over trade.

The U.S. has flouted trade rules with an inquiry into intellectual property and China will defend its interests, Vice Premier Liu He told U.S. Treasury Secretary. The deepening rift has sent a chill through financial markets and the corporate world as investors predicted dire consequences for the global economy should trade barriers start going up.

A substantial rise in oil prices in recent months has led to a resurgence in American oil production, enabling the country to challenge the dominance of Saudi Arabia and dampen price pressures at the pump.